Specialist Subsea Services for Offshore Energy, Decommissioning & Marine Infrastructure

Reliably delivering outstanding quality to inshore and offshore clients

Ingenuity, experience and rapid response

DECO is an experienced team of creative divers & engineers.

We provide specialized subsea services worldwide, with a strong presence in the North Sea, offering AWJ cutting, UHP soil dredging, hydrodemolition, ROV inspections, and structural preparation for offshore energy, renewables, and marine infrastructure projects. Our constant R&D has resulted in several patents.

Our size and experience guarantees rapid responses to your requirements.

Innovative solutions and seamless integration

Deco Subsea focuses on simple solutions to complex problems.


We provide various services and we integrate with your vessel, your team and your goals. Major offshore projects require full cooperation and transparency on all fronts. DECO Subsea focuses on robust, practical solutions to complex subsea challenges. We adapt proven tools or design project‑specific systems, integrating seamlessly with your vessel, your contractors and your workflows. Clear communication, transparent planning and safe execution are at the core of every offshore campaign we support.


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ISO-9001 and ISO-45001 certified.


DECO Subsea works closely with clients to develop custom, high‑performance subsea solutions that integrate smoothly into offshore project workflows. We are ISO‑9001 and ISO‑45001 certified and an active member of Decom North Sea, underlining our commitment to quality, safety and decommissioning best practice.

DNV-GL ISO 9001 Management System Certification seal. Light blue and green rectangular design with text.
DNV GL Safety System Certification logo with blue and green lines, and
Blue and purple letter

Services

Setting industrial benchmarks


DECO Subsea’s ultra‑high‑pressure abrasive waterjet cutting (AWJ) technology sets the benchmark for subsea cutting and decommissioning. Our in‑house–designed machines deliver safe, cold, high‑precision cuts for jackets, conductors, piles and offshore foundations worldwide, with a proven track record across the North Sea and worldwide.